Unable - Definition

adj 1: (usually followed by `to') not having the necessary means
or skill or know-how; "unable to get to town without a
car"; "unable to obtain funds" [ant: able]
2: (usually followed by `to') lacking necessary physical or
mental ability; "dyslexics are unable to learn to read
adequately"; "the sun was unable to melt enough snow"
3: lacking in power or forcefulness; "an ineffectual ruler";
"like an unable phoenix in hot ashes" [syn: ineffective,
ineffectual, unable]